flake.lock: Update (#280)

Flake lock file updates:

• Updated input 'fenix':
    'github:nix-community/fenix/f70eee0e38bc2287687c853df9b4ed6f6a028eb0' (2024-03-02)
  → 'github:nix-community/fenix/24002092be13b2efe87700229d143b0d1eaa5d12' (2024-03-09)
• Updated input 'fenix/nixpkgs':
    'github:nixos/nixpkgs/1536926ef5621b09bba54035ae2bb6d806d72ac8' (2024-02-29)
  → 'github:nixos/nixpkgs/9df3e30ce24fd28c7b3e2de0d986769db5d6225d' (2024-03-06)
• Updated input 'fenix/rust-analyzer-src':
    'github:rust-lang/rust-analyzer/79e0fee6a30a5f563e9b709cc5959694709e19c4' (2024-03-01)
  → 'github:rust-lang/rust-analyzer/2397e7a887252aa995d3790164b34b6c76ed94b4' (2024-03-08)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/9a0aa4020d1558ff0439de7e07d2caf53147b490' (2024-03-02)
  → 'github:NixOS/nixpkgs/d503ebacda199d03f06f71ff776545e53700ec84' (2024-03-10)
• Updated input 'nixpkgs-master':
    'github:NixOS/nixpkgs/a0a754e1dfc3e9a063b117c0139e5627bb2aa480' (2024-03-03)
  → 'github:NixOS/nixpkgs/187a4d6ffc74a65cb55891a2d011fb9aacb4f6ec' (2024-03-10)